Install the same type of nails as those used for the original siding to retain.
How to replace cedar siding board.
When you replace the boards use a homemade reveal set jig to match the reveal of the existing siding.
Overlap the boards so each row of new siding has the same reveal as the old siding.
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Replace siding by working from the bottom up you might need a helper here.
Above the bottom edge.
Replace damaged siding boards or shingles and reinstall the undamaged siding if you are not installing new siding.
Once all the nails are removed from the adjoining board the damaged one should just pull out.
You can use a tape measure to mark the reveal of each piece of replacement siding or make a spacer gauge from two blocks of wood screwed together.
Moreover insects and birds can bore holes and moisture can cause boards to warp and crack.
The usefulness of cedar for exterior applications such as siding and fencing is due to its exceptional weather resistance but over time even cedar siding can be damaged from exposure to moisture and ultraviolet uv rays.
Take the replacement board fit it in place image 2 and nail it in with a hammer using galvanized nails.
Nail straight down on the replacement board in order to hit studs.
Attach the siding with 10d galvanized box nails driven into the overlap at least 1 2 in.